Folger Tech Kossel 2020 June 10, 2015 10:13PM |
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Re: Folger Tech Kossel 2020 June 11, 2015 05:20AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 05:43AM |
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Knicknac
Hello everyone,
It's been 3 weeks since I got the kit and I'm getting the firmware set up. I'm using Marlin Delta 1.6.4 from the Folger Tech website. I originally had an issue with the printer allowing movement at all. I went back and re-seated the thermistors to the board, looking at the build manual again to be sure where they hook up, and it worked. I can home out at the endstops just fine, I can get it to come down to Z50, just like it says to in the manual. But when I want to do the paper test to find MANUAL Z HOME POS, I cannot travel further than Z0 and I still have a long way to go to get to the plate. I plug in negative numbers but it will not travel there. The manual says I should subtract to find this position, but only by adding to that Z number can I even approach the plate. And what will I do if I keep that up and reach the top of the plate to obtain that number? According to the method they describe my number wouldn't be 403 which is larger than the build volume, by almost twice as much.Any suggestions would be appreciated.
Thanks,
Knicknac
Re: Folger Tech Kossel 2020 June 11, 2015 08:13AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 09:04AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 09:53AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 10:19AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 10:29AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 11:16AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 11:29AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 11:42AM |
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Knicknac
When I went back and looked at the contents of the kit on Folger's site, it says they are 36 teeth, and I downloaded the firmware for 36 teeth. But i'll definitely count the teeth on the pulley and post my findings this evening. If it's 20 then I'll go back and get the correct firmware package too. @Dougal - there are no lead screws on this printer. It's belts and pulleys only. But I do appreciate the input, thanks guys.
Re: Folger Tech Kossel 2020 June 11, 2015 11:50AM |
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Re: Folger Tech Kossel 2020 June 11, 2015 01:16PM |
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tadawson
Folger quit shipping 36 tooth sone time ago, choosing to standardize on 20 tooth pulleys for better resolution some time near late April early May. Get the 20 tooth download . . . the steps/mm Folger uses is 84, IIRC, which is damn close to dead-on, no matter what the 'use 80!' crowd may claim . . .
- Tim
Re: Folger Tech Kossel 2020 June 11, 2015 01:33PM |
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Re: Folger Tech Kossel 2020 June 11, 2015 01:53PM |
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Knicknac
@dc42 - They sent me a GT-2 belt.
Re: Folger Tech Kossel 2020 June 11, 2015 03:30PM |
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Re: Folger Tech Kossel 2020 June 11, 2015 04:21PM |
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tadawson
Yet numerous folks have reported that 84 gives more precise motionon to the drives. Theory is a wonderful thing, right until reality shoots it in the face . . .
Why I don't know, but this has been verified - perhaps pulley diameter is a bit over. I do know that my parts are a smidge *undersized* running 84 on this printer, and that 80 would make it worse. Another user here in a different thread did motion measurements on all the axis on his, and verified that 84 is exact . . . . theory be damned, since the printer apparently can't read . . .
Re: Folger Tech Kossel 2020 June 11, 2015 07:36PM |
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Re: Folger Tech Kossel 2020 June 13, 2015 08:19AM |
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Re: Folger Tech Kossel 2020 June 13, 2015 12:12PM |
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Re: Folger Tech Kossel 2020 June 13, 2015 02:14PM |
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Re: Folger Tech Kossel 2020 July 25, 2015 12:42AM |
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Re: Folger Tech Kossel 2020 July 25, 2015 04:13AM |
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Knicknac
Hello again everyone,
I just realized that my steps per millimeter must be off because I made an adjustment to be able to do the paper test and the nozzle does not move the amount I plugged in. In fact, I ran into the table. (And now I'm a little upset) I'm going to have to learn how that formula works and how to measure it. I'm working with a set of 6" calipers and a machined piece of small steel to get readings on movement. If you guys have any advice on how to get this thing configured, I'd appreciate any insight.
Talk to you guys soon!
Knicknac
Re: Folger Tech Kossel 2020 July 25, 2015 11:54AM |
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Re: Folger Tech Kossel 2020 July 25, 2015 02:13PM |
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Re: Folger Tech Kossel 2020 July 25, 2015 04:05PM |
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Knicknac
My pulleys are 20 tooth, I counted them the last time we talked about this. What line do I look at for steps/mm and microstepping?
Re: Folger Tech Kossel 2020 July 25, 2015 07:30PM |
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Re: Folger Tech Kossel 2020 July 26, 2015 12:55PM |
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Re: Folger Tech Kossel 2020 July 26, 2015 01:25PM |
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Re: Folger Tech Kossel 2020 July 26, 2015 01:42PM |
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